INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '550ea7cfe8551f41a27fcce9227135923251209948a6edeeae03a62aa9e4e191', 
    'HgxYt/vBjhQItXtlAk4lQlVtoSk3Jg08Zk/Eqv2bB9c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)